51010330104 has 96 divisors (see below), whose sum is σ = 145830672000. Its totient is φ = 16063500096.

The previous prime is 51010330079. The next prime is 51010330117. The reversal of 51010330104 is 40103301015.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439179 + ... + 543045.

It is an arithmetic number, because the mean of its divisors is an integer number (1519069500).

Almost surely, 2^51010330104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51010330104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72915336000).

51010330104 is an abundant number, since it is smaller than the sum of its proper divisors (94820341896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51010330104 is a wasteful number, since it uses less digits than its factorization.

51010330104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104257 (or 104250 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 51010330104 its reverse (40103301015), we get a palindrome (91113631119).

The spelling of 51010330104 in words is "fifty-one billion, ten million, three hundred thirty thousand, one hundred four".